War Fatigue Had Fueled Isolationism, but the Ukraine Crisis Shifts Party's Tone

The Ukraine crisis has given GOP foreign policy hawks a fresh opportunity to reassert themselves in a party that has seen rising isolationist sentiment.

For Republicans with presidential ambitions, the turmoil in Ukraine, Syria, Venezuela and other world hot spots has been an occasion to raise their own profiles as players in the foreign-policy debate and to attack President Barack Obama's leadership.